Which of the Following Statements Is Correct Concerning the Regulation

Which of the following statements is correct concerning the regulation of U.S. insurance companies under the McCarran-Ferguson Act of 1945?

A) Under the McCarran Ferguson Act of 1945, the federal government has the potential right to regulate insurance companies, but does not exercise that right, if individual states adequately establish and enforce standards for the industry.
B) Under the McCarran Ferguson Act of 1945, only the federal government is allowed to regulate insurance companies.
C) Under the McCarran Ferguson Act of 1945, state insurance commissioners can never be interfered with even if states are inadequately establishing and enforcing standards for the industry.
D) None of the above.